Physics Physics Practice Problems Solutions Library

# Work By Gravity & Inclined Planes Solutions Library

Access 38 Work By Gravity & Inclined Planes video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Work By Gravity & Inclined Planes learn videos.

### Browse Solutions

38 solutions

Work By Gravity & Inclined Planes

#### Q. a) A person is riding on a Ferris wheel of radius r. He starts at the lowest point of the wheel. When the wheel makes on complete revolution, is th...

Solved • Feb 9, 2021

Work By Gravity & Inclined Planes

#### Q. An elevator of mass m rises a vertical distance h with upward acceleration equal to one-tenth g. Find an expression for the work the elevator cable...

Solved • Feb 9, 2021

Work By Gravity & Inclined Planes

#### Q. A ball rolling down an incline has its maximum kinetic energy at?A. The topB. half downC. three-quarters of the way downD. the bottom

Solved • Oct 14, 2020

Work By Gravity & Inclined Planes

#### Q. Two blocks of unequal mass are connected by a string over a smooth massless pulley with m2&gt;m1. The coefficient of kinetic friction between mass ...

Solved • Jul 15, 2020

Work By Gravity & Inclined Planes

#### Q. A 25 kg air compressor is dragged up a rough incline from r⃗  1=(1.3ı^+1.3ȷ^)m to r⃗  2=(8.3ı^+4.1ȷ^)m, where the y-axis is vertical. How much work...

Solved • Jul 14, 2020

Work By Gravity & Inclined Planes

#### Q. An air-conditioning unit is fastened to a roof that slopes at an angle of 35° above the horizontal (Fig. 1.34). Its weight is a force F→ on the air...

Solved • Jul 1, 2020

Work By Gravity & Inclined Planes

#### Q. A box of weight w=2.0N accelerates down a rough plane that is inclined at an angle Φ =30° above the horizontal, as shown (Figure 6) . The normal fo...

Solved • May 21, 2020

Work By Gravity & Inclined Planes

#### Q. A box of weight w = 2.0N accelerates down a rough plane that is inclined at an angle 30° above the horizontal. The normal force acting on the box h...

Solved • Apr 7, 2020

Work By Gravity & Inclined Planes

#### Q. A 66.5 kg hiker starts at an elevation of 1320 m and climbs to the top of a 2710 m peak.What is the hikers change in potential energy?What is th...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. A 1.75 m tall person lifts a 1.65 kg book off the ground so it is 2.15 m above the ground.(a) What is the potential energy of the book relative to ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. In a certain library the first shelf is 15.5 cm off the ground, and the remaining 4 shelves are each spaced 33.5 cm above the previous one.If the...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. What magnitude force is required to give a helicopter of mass M an acceleration of 0.10g upward?What work is done by this force as the helicopter m...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. A 360-kg piano slides 3.6 m down a 26 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline.Determine ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. A gondola can carry 20 skiers, with a total mass of up to 1960 kg . The gondola ascends at a constant speed from the base of a mountain, at 2060 m ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. A grocery cart with mass of 14 kg is being pushed at constant speed up a flat 15 ramp by a force FP which acts at an angle of 17 below the horiz...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. A 76.0-kg firefighter climbs a flight of stairs 21.0 m high. How much work is required?

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. A 76.0-kg painter climbs a ladder that is 2.75 m long leaning against a vertical wall. The ladder makes an 31.0° angle with the wall. How much work...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. A 75-kg roofer climbs a vertical 7.0-m ladder to the flat roof of a house. He then walks 12 m on the roof, climbs down another vertical 7.0-m ladde...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. A physics professor is pushed up a ramp inclined upward at an angle 31.0 above the horizontal as he sits in his desk chair that slides on friction...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. An 14.0-kg package in a mail-sorting room slides 4.00 m down a chute that is inclined at 56.0 below the horizontal. The coe...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. A 20.0-kg crate sits at rest at the bottom of a 15.1 m -long ramp that is inclined at 36 above the horizontal. A constant horizontal force of 290 ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. You need to raise a heavy block by pulling it with a massless rope. You can either (a) pull the block straight up height h, or (b) pull it up a lon...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. The cable of a crane is lifting a 750 kg girder. The girder increases its speed from 0.25 m/s to 1.25 m/s in a distance of 4.1 ...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. The two ropes seen in the figure are used to lower a 255 kg piano 5.70 m from a second-story window to the ground. You may want to review (Pages...

Solved • Oct 31, 2018

Work By Gravity & Inclined Planes

#### Q. Spiderman, whose mass is 80.0 kg, is dangling on the free end of a 12.0-m-long rope, the other end of which is fixed to a tree limb above. By repea...

Solved • Oct 18, 2018

Work By Gravity & Inclined Planes

#### Q. The record number of boat lifts, including the boat and its ten crew members, was achieved by Sami Heinonen and Juha Räsänen of Sweden in 2000. The...

Solved • Oct 18, 2018

Work By Gravity & Inclined Planes

#### Q. In 1990, Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth. (a) How much work was done on the...

Solved • Oct 18, 2018

Work By Gravity & Inclined Planes

#### Q. A boy in a wheelchair (total mass 47.0 kg) has speed 1.40 m/s at the crest of a slope 2.60 m high and 12.4 m long. At the bottom of the slope his s...

Solved • Oct 18, 2018

Work By Gravity & Inclined Planes

#### Q. When an object is moved from rest at point A to rest at point B in a gravitational field, the net work done by the field depends on the mass of the...

Solved • Jun 5, 2017

Work By Gravity & Inclined Planes

#### Q. A 50 g mass is lifted upwards 20 cm. How much work is done by the gravitational force?

Solved • Feb 10, 2017

Work By Gravity & Inclined Planes

#### Q. A 5 kg mass is pushed across a floor with a coefficient of kinetic friction of 0.35. If the force pushing the mass is 70 N, how much work is done a...

Solved • Feb 10, 2017

Work By Gravity & Inclined Planes

#### Q. A block with mass 5.0 kg slides a distance of 6.0 m from point A at the top of a ramp to point B at the bottom of the ramp. The ramp is inclined at...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

#### Q. A ramp is inclined at 36.9° above the horizontal. A block with mass 0.500 kg is pulled up the ramp by a force F.  The block starts at point  A at t...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

#### Q. A box with mass 5.00 kg is pulled up a 36.9° incline by a constant force  F that has magnitude 75.0 N and that is parallel to the incline. The dist...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

#### Q. A block of mass 10.0 kg slides 16.0 m down a 36.9° incline, from point A at the top of the incline to point B at the bottom. As the block moves fro...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

#### Q. A block of mass 10.0 kg slides 16.0 m down a 36.9° incline, from point A at the top of the incline to point B at the bottom. As the block moves fro...

Solved • Jan 30, 2017

Work By Gravity & Inclined Planes

#### Q. A box is pulled by a force F up a ramp that is inclined at 37° above the horizontal. The direction of this force is 60.0° above the horizontal. The...

Solved • Jan 27, 2017

Work By Gravity & Inclined Planes

#### Q. An object released from rest at the top of a 30.0° incline slides down the incline to the bottom of the incline. During this motion the work done o...

Solved • Jan 27, 2017